Circular wave blade



FIG. 1 is a front elevational view of a circular wave blade showing our new design;

FIG. 2 is an end view of a portion of the circumference thereof, the entire circumference having an identical configuration;

FIG. 3 is a back elevational view of FIG. 1; and,

FIG. 4 is a cross sectional view taken on line 4--4 of FIG. 1. 

The ornamental design for a circular wave blade, as shown and described. 